OpenTechnical

OT-2026-000069139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000069139) never changes.

Identity and time

Publication numberOT-2026-000069139 · never reused
Internal UUID01a0ae90-6dcf-7965-8ed8-cd41b3413591 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069139
StatusPUBLIC

Content hashes

Canonical texta489df3c883357f83de944ebd2071f3c46b05ee98bbe9202157ec7b27d597e68
Markdowncf391b237edfa5edfc8b1829aecf6da7a4f50549a445efb3822b396a4e21c0f6
PDF
Publication page5d0dcdf0af64ef01e2304a90d5ecd85b9acde18ab8b45d9ff6013eb21b4ca1da
Manifest29b744081f159841de8c036f0e616a744349243fc8b2a18f5392def2d096d00d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1N1NPL7xQHhoGX6IHPjT9RaLWvgUUHA+lxsSpSIUrIO52lm/3j24LJ8tSsGu7Q0X4iIY5hZdbrBt/GDTlE3rCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:01.380405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069139
observed 5d0dcdf0af64ef01e2304a90d5ecd85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.362474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069139/manifest.json
observed 29b744081f159841de8c036f0e616a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.344543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069139/publication.md
observed cf391b237edfa5edfc8b1829aecf6da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:01.325538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069139/publication.txt
observed a489df3c883357f83de944ebd2071f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.